P1299 Mercury Cylinder Head Overtemperature Protection Active
Possible causes
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1299 Mercury Description
Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM strategy called Fail-safe Cooling was activated to cool the engine.
Mercury Vehicle:Mercury Grand Marquis,Mercury Mariner,Mercury Milan,Mercury Mountaineer,Mercury Sable,